Question

watchful adj.注意的；警惕的；<古>不眠的；醒的 (1) 你必须注意你的健康。(2) 他们并不很注意红绿灯。(3) 我们应该警惕计算机病毒。(4) 警卫在黑夜里也应该警醒。 The adjective watchful is good for describing someone who keeps an attentive eye on things. A watchful teacher, for example, knows immediately when a student is being teased, and a watchful driver is quick to stop for a pedestrian crossing the street. When you're on the lookout, you're being watchful. The word comes from the Middle English waccheful, which used to have an alternate meaning of "wakeful" or "sleepless."

Accepted Answer

英 ['wɒtʃfl] 美 ['wɑːtʃfl] (1) You must be watchful of your health.(2) They were not very watchful of the traffic lights.(3) We should be watchful of computer viruses.(4) The guard should be watchful during the night. To be watchful is to be alert and aware. A watchful dog might keep an eye on the sidewalk in front of your house all afternoon. 1[ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]警觉的；警惕的 Someone who is watchful notices everything that is happening. The best thing is to be watchful and see the family doctor for any change in your normal health...最佳的做法是保持警惕，一旦你的身体状况有任何变化就立即去看家庭医生。He looked tall and powerful and, with his dark, watchful face, a little threatening.他看上去又高又壮，面色黝黑，满脸警觉，真叫人有点害怕。2[PHRASE 短语]在(某人)的警觉目光下；在…的监视下 If you do something under the watchful eye of someone who has authority over you, they watch you carefully to make sure there are no problems.   [N inflects]There were demonstrations in the streets today, under the watchful eye of police...今天，在警方的监视下大街上进行了游行。Children swim at the pool, under the watchful eye of lifeguards.孩子们在救生员的监护下在水池里游泳。3[PHRASE 短语]看护；提防 If you keep a watchful eye on someone or something, you watch carefully to make sure there are no problems.   [V inflects]Keep a watchful eye on babies and toddlers.要看好婴儿和刚会走路的孩子。

英语单词	watchful
英美音标	英 ['wɒtʃfl] 美 ['wɑːtʃfl]
中文释义	adj.注意的；警惕的；<古>不眠的；醒的
英语例句	(1) You must be watchful of your health. (2) They were not very watchful of the traffic lights. (3) We should be watchful of computer viruses. (4) The guard should be watchful during the night.
中文例句	(1) 你必须注意你的健康。 (2) 他们并不很注意红绿灯。 (3) 我们应该警惕计算机病毒。 (4) 警卫在黑夜里也应该警醒。
vocabulary简明	To be watchful is to be alert and aware. A watchful dog might keep an eye on the sidewalk in front of your house all afternoon.
vocabulary扩展	The adjective watchful is good for describing someone who keeps an attentive eye on things. A watchful teacher, for example, knows immediately when a student is being teased, and a watchful driver is quick to stop for a pedestrian crossing the street. When you're on the lookout, you're being watchful. The word comes from the Middle English waccheful, which used to have an alternate meaning of "wakeful" or "sleepless."
柯林斯解释	1 [ADJ-GRADED 能被表示程度的副词或介词词组修饰的形容词]警觉的；警惕的 Someone who is watchful notices everything that is happening. The best thing is to be watchful and see the family doctor for any change in your normal health... 最佳的做法是保持警惕，一旦你的身体状况有任何变化就立即去看家庭医生。 He looked tall and powerful and, with his dark, watchful face, a little threatening. 他看上去又高又壮，面色黝黑，满脸警觉，真叫人有点害怕。 2 [PHRASE 短语]在(某人)的警觉目光下；在…的监视下 If you do something under the watchful eye of someone who has authority over you, they watch you carefully to make sure there are no problems. [N inflects] There were demonstrations in the streets today, under the watchful eye of police... 今天，在警方的监视下大街上进行了游行。 Children swim at the pool, under the watchful eye of lifeguards. 孩子们在救生员的监护下在水池里游泳。 3 [PHRASE 短语]看护；提防 If you keep a watchful eye on someone or something, you watch carefully to make sure there are no problems. [V inflects] Keep a watchful eye on babies and toddlers. 要看好婴儿和刚会走路的孩子。

Watchful Eye Phrase 短语 Watch Carefully Make Problems